632872536 has 32 divisors (see below), whose sum is σ = 1590144000. Its totient is φ = 209895840.

The previous prime is 632872529. The next prime is 632872561. The reversal of 632872536 is 635278236.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61480 + ... + 71031.

It is an arithmetic number, because the mean of its divisors is an integer number (49692000).

Almost surely, 2^632872536 is an apocalyptic number.

It is an amenable number.

632872536 is an abundant number, since it is smaller than the sum of its proper divisors (957271464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

632872536 is a wasteful number, since it uses less digits than its factorization.

632872536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132719 (or 132715 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 632872536 is about 25156.9580037015. The cubic root of 632872536 is about 858.5628313041.

The spelling of 632872536 in words is "six hundred thirty-two million, eight hundred seventy-two thousand, five hundred thirty-six".